After years of intense — and often controversial — restoration efforts, biologists are finally reporting some good news for the beleaguered California condor: More chicks are surviving in the wild, and the birds are becoming increasingly independent and expanding their range.

Earlier this year, the U.S. Fish and Wildlife Service announced what it called a milestone for the California condor: More chicks had hatched and fledged in the wild during 2015 than the number of condors that had died. In late March, Steve Kirkland, the agency’s condor field coordinator, reported that two more chicks had fledged in 2015 in Baja California, but had only just been discovered, bringing the total in the wild to 270.

It was perhaps the most promising news about the condor in decades.

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A few months ago, the Centers for Disease Control and Prevention published a startling map that showed the parts of the U.S. that could harbor mosquitoes capable of carrying Zika. The map made it look like a vast swath of the country was at risk for Zika, including New England and the Upper Midwest. Well, not quite. On Thursday, CDC scientists published another mosquito map for the U.S. And it paints a very different picture.

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Air pollution is a known risk factor for certain mental health problems in adults, but a new study also links high rates of air pollution to poorer psychiatric health in children and adolescents.

To investigate this link, researchers from Umeå University in Sweden examined what is known as “register-based” data. All medications given to Swedish people are registered, and in this case, researchers zeroed in on individuals under age 18 from Stockholm, Västra Götaland, Skåne and Västerbotten. They then looked at this information in connection with the Swedish National Register, which logs air pollution.

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Los cuatro partidos principales de Noruega, tanto de izquierdas como de derechas, acuerdan poner en marcha una nueva política energética que conllevará una prohibición de la venta de vehículos propulsados por combustibles fósiles, tanto gasoil como gasolina, en el año 2025. A partir de ese año, todos los vehículos nuevos vendidos en el país deberán ser totalmente eléctricos (no híbridos) o propulsados por hidrógeno.

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President Barack Obama and Indian President Narendra Modi signed a pact last week, extending a commitment originally established in 2014, to join forces to combat climate change with a huge commitment to renewable energy.

The pledge acknowledges commitments made in Paris last year at the COP21 climate talks and defines a path for both countries to achieve their nationally determined contributions (NDCs). In particular, the U.S. has pledged to support India, the world’s third largest carbon emitting country and second fastest growing economy, in its ambitious goal of deploying 175 gigawatts of renewable energy by 2022. That would bring it up to a level of renewable capacity comparable to the U.S. today.

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Remote lakes in a perpetually ice-free area of Antarctica show not only the chemical signature of ancient wildfires, but also some much more recent evidence of fossil-fuel combustion, according to National Science Foundation (NSF)-funded research published this week in the journal Geophysical Research Letters.

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